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EP0794529A3 - Recording and reproducing apparatus - Google Patents

Recording and reproducing apparatus Download PDF

Info

Publication number
EP0794529A3
EP0794529A3 EP97103525A EP97103525A EP0794529A3 EP 0794529 A3 EP0794529 A3 EP 0794529A3 EP 97103525 A EP97103525 A EP 97103525A EP 97103525 A EP97103525 A EP 97103525A EP 0794529 A3 EP0794529 A3 EP 0794529A3
Authority
EP
European Patent Office
Prior art keywords
recording
reproducing apparatus
crosstalk
signal
pseudo
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP97103525A
Other languages
German (de)
French (fr)
Other versions
EP0794529B1 (en
EP0794529A2 (en
Inventor
Haruo Ohta
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP05176796A external-priority patent/JP3529535B2/en
Priority claimed from JP8334246A external-priority patent/JP3059394B2/en
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of EP0794529A2 publication Critical patent/EP0794529A2/en
Publication of EP0794529A3 publication Critical patent/EP0794529A3/en
Application granted granted Critical
Publication of EP0794529B1 publication Critical patent/EP0794529B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Digital Magnetic Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)

Abstract

In a recording and reproducing apparatus having a simultaneous reproducing function, an adaptive filter (32) outputs a pseudo crosstalk signal which approximates to frequency characteristics of crosstalk components leaking from recording data into a reproduced signal, and a subtractor (8) subtracts the pseudo crosstalk signal from the reproduced signal, thereby cancelling the crosstalk components.
EP97103525A 1996-03-08 1997-03-04 Recording and reproducing apparatus Expired - Lifetime EP0794529B1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP51767/96 1996-03-08
JP05176796A JP3529535B2 (en) 1996-03-08 1996-03-08 Recording / playback device
JP5176796 1996-03-08
JP33424696 1996-12-13
JP8334246A JP3059394B2 (en) 1996-12-13 1996-12-13 Recording and playback device
JP334246/96 1996-12-13

Publications (3)

Publication Number Publication Date
EP0794529A2 EP0794529A2 (en) 1997-09-10
EP0794529A3 true EP0794529A3 (en) 1998-04-01
EP0794529B1 EP0794529B1 (en) 2001-01-17

Family

ID=26392328

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97103525A Expired - Lifetime EP0794529B1 (en) 1996-03-08 1997-03-04 Recording and reproducing apparatus

Country Status (3)

Country Link
US (1) US5991108A (en)
EP (1) EP0794529B1 (en)
DE (1) DE69703904T2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003141701A (en) * 2001-11-06 2003-05-16 Sony Corp Recording and reproducing apparatus
JP3693014B2 (en) * 2001-12-26 2005-09-07 ソニー株式会社 Recording / reproducing apparatus and crosstalk canceling method
US9626999B1 (en) * 2015-12-18 2017-04-18 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for real time ITI compensation in a multi-dimensional equalizer
JP2022025918A (en) * 2020-07-30 2022-02-10 株式会社東芝 Magnetic disk device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0104701A1 (en) * 1982-09-20 1984-04-04 Koninklijke Philips Electronics N.V. Apparatus for reading a record carrier
JPS6052902A (en) * 1983-09-01 1985-03-26 Matsushita Electric Ind Co Ltd Magnetic recording and reproducing device
JPS61142502A (en) * 1984-12-13 1986-06-30 Matsushita Electric Ind Co Ltd Data reproducing device of magnetic tape

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4331992A (en) * 1979-02-23 1982-05-25 Robert Bosch Gmbh Method and apparatus for eliminating crosstalk in magnetic tape recorders
JPH02198002A (en) * 1989-01-27 1990-08-06 Hitachi Ltd Rotary magnetic head device
JPH0334103A (en) * 1989-06-29 1991-02-14 Sony Corp Rotary head device
JPH03232101A (en) * 1990-02-07 1991-10-16 Hitachi Ltd rotating drum device
JPH03286403A (en) * 1990-03-31 1991-12-17 Toshiba Corp Rotary head type recording/reproducing device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0104701A1 (en) * 1982-09-20 1984-04-04 Koninklijke Philips Electronics N.V. Apparatus for reading a record carrier
JPS6052902A (en) * 1983-09-01 1985-03-26 Matsushita Electric Ind Co Ltd Magnetic recording and reproducing device
JPS61142502A (en) * 1984-12-13 1986-06-30 Matsushita Electric Ind Co Ltd Data reproducing device of magnetic tape

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 009, no. 182 (P - 376) 27 July 1985 (1985-07-27) *
PATENT ABSTRACTS OF JAPAN vol. 010, no. 341 (P - 517) 18 November 1986 (1986-11-18) *

Also Published As

Publication number Publication date
DE69703904D1 (en) 2001-02-22
EP0794529B1 (en) 2001-01-17
DE69703904T2 (en) 2001-05-10
EP0794529A2 (en) 1997-09-10
US5991108A (en) 1999-11-23

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